InspectionCâu 38 / 60
What is the purpose of checking the trailer's air tank drain and slack adjusters during inspection?
a.To confirm the tank is painted
b.To ensure the brakes are properly adjusted and moisture is drained so brakes work reliably
c.To check the trailer length
d.To grease the kingpin
Giải thích
Draining the trailer air tank removes moisture and oil that can damage the system, and checking slack adjusters confirms the brakes are within proper adjustment. Out-of-adjustment brakes reduce stopping power. These checks help ensure the trailer brakes perform correctly.
Luyện miễn phí toàn bộ 60 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- What should you look for when inspecting the sliding fifth wheel (if equipped)?
- During the walk-around inspection of a trailer, what should you check about the trailer lights and reflectors?
- When inspecting the trailer's suspension system, what should you look for?
- Why should you check that the trailer doors, cargo securement, and header board are secure during inspection?
- When performing an air brake check on a combination vehicle, why do you test the tractor protection valve and trailer air supply valve?
- What should you check about the mounting of the fifth wheel skid plate and the trailer apron?
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